Download or read book Q BQB 640 2018 Translated English of Chinese Standard Q BQB640 2018 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-05-18 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The content that is stipulated in Q/BQB 640-2018 Thick Steel Plate for Pipelines, which was formulated and published by our company, complies with relevant national laws and regulations, and requirements in compulsory standards and relevant industrial policies.